// axios的二次封装
import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'


// create an axios instance
// 创建实例
const service = axios.create({
  // 基础路径
  baseURL: process.env.VUE_APP_BASE_API, // url = base npm url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  //延迟时间
  timeout: 5000 // request timeout
})

// request interceptor
// 请求拦截器
service.interceptors.request.use(
  (config )=> {
    const token = store.state.user.token 
    // do something before request is sent
    //  获取到token0-发请求设置在请求头当中
    if (token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      // config.headers['X-Token'] = getToken()
      config.headers.token = token
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  async(response )=> {
    //获取到res
    const res = response.data
    // 根据code码进行判断
    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })

    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //       confirmButtonText: 'Re-Login',//重复登录
    //       cancelButtonText: 'Cancel',//取消
    //       type: 'warning'
    //     }).then(() => {
    //       // 获取token 
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()//获取成功重复加载
    //       })
    //     })
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
      if (res.code !== 20000 && res.code !== 200) {
        Message({
          message: '登录失败',
          type: 'error',
          duration: 5 * 1000
        })
        // token过期20001
          // `token` 过期或者账号已在别处登录 
          if (response.status===401) {
  
            // 获取到token数据将其清空
  
            // const storeUserInfo = useUserInfoStore(pinia)
            // await storeUserInfo.reset()
  
            window.location.href = '/' // 去登录页
            MessageBox.alert('你已被登出，请重新登录', '提示', {})
              .then(() => {})
              .catch(() => {})
          }
          return Promise.reject(service.interceptors.response);
        } else {
          return res.data; /* 返回成功响应数据中的data属性数据 */
        }
    // } else {
    //   return res
    // }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
